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Advisory severityCritical10.0Apache Software Foundation Updated

Critical [CVE-2026-73101] Generation of Error Message Containing Sensitive Information vulnerability in Apache Juneau

This critical-severity Apache Software Foundation advisory covers CVE-2026-73101 affecting Apache Juneau.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-73101 Source published Source updated

VulniPulse record published Record updated

CVE-2026-73101
Affected products & platforms
Apache Software FoundationUnclassified
Open source advisory

Summary

Generation of Error Message Containing Sensitive Information vulnerability in Apache Juneau.

The REST server sends the internal exception class and message to clients in a "Thrown" response header on every error response, and can include internal exception messages in the error body, even when stack-trace rendering is disabled. This reveals implementation details to remote clients.

This issue affects Apache Juneau: through 9.2.0.

Users are recommended to upgrade to version 9.2.1, which fixes the issue.

Is CVE-2026-73101 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2026-73101 is not in the CISA KEV catalog (checked ) and this advisory does not report exploitation. That is not proof the vulnerability cannot be exploited.

How do I fix CVE-2026-73101?

Upgrade to a fixed release named by Apache:

  • 9.2.1

Confirm against the vendor advisory before you patch.

Affected versions
  • through 9.2.0

Official advisory · high-confidence parse· fetched 2 days ago·verify at source

Fixed versions
  • 9.2.1

Official advisory · high-confidence parse· fetched 2 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Users are recommended to upgrade to version 9.2.1, which fixes the issue.

Official advisory · high-confidence parse· fetched 2 days ago·verify at source

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